Physics, asked by omeir7564, 1 year ago

How much work is done by a crane lifting a 200 kg weight from the ground to floor 21 metre above the ground?

Answers

Answered by rajeev24

0

given mass 200kg height 21m g 10 m/s

potential energy= mgh

200×10×21

2000×21

42000 joules
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